KR100440524B1 - 조명 장치, 액정 장치 및 전자기기 - Google Patents
조명 장치, 액정 장치 및 전자기기 Download PDFInfo
- Publication number
- KR100440524B1 KR100440524B1 KR10-2001-0041904A KR20010041904A KR100440524B1 KR 100440524 B1 KR100440524 B1 KR 100440524B1 KR 20010041904 A KR20010041904 A KR 20010041904A KR 100440524 B1 KR100440524 B1 KR 100440524B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- liquid crystal
- lens
- light source
- source device
- Prior art date
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/003—Lens or lenticular sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Led Device Packages (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (12)
- 삭제
- 삭제
- 삭제
- 광을 방출하는 광원 장치와, 해당 광원 장치로부터의 광을 광 입사면에서 받아 광 출사면으로부터 출사하는 도광체를 갖는 조명 장치에 있어서,상기 광원 장치는, 발광 소자와, 상기 발광 소자로부터 방출되는 광을 받는 렌즈를 갖고,상기 렌즈는 일 방향의 광 출사 지향성이 그와 직각 방향의 광 출사 지향성보다도 강한 특성을 갖는 렌즈이며,광 출사 지향성이 강한 상기 일 방향은 상기 도광체의 높이 방향으로 설정되고, 광 출사 지향성이 약한 상기 직각 방향은 상기 도광체의 폭 방향으로 설정되며,상기 렌즈는 상기 발광 소자의 광 출사면에 마련되고, 표면이 프레넬 렌즈인 부분 원주 형상인 것을 특징으로 하는 조명 장치.
- 삭제
- 삭제
- 제 4 항에 있어서,광을 집광하는 렌즈를 상기 도광체의 광 입사면에 마련한 것을 특징으로 하는 조명 장치.
- 한 쌍의 기판 사이에 액정을 유지하여 이루어지는 액정 패널과, 해당 액정 패널에 광을 공급하는 조명 장치를 갖는 액정 장치에 있어서,상기 조명 장치는, 광을 방출하는 광원 장치와, 해당 광원 장치로부터의 광을 광 입사면에서 받아 광 출사면으로부터 출사하는 도광체를 갖고,상기 광원 장치는, 발광 소자와, 해당 발광 소자로부터 방출되는 광을 받는 렌즈를 갖고,상기 렌즈는, 일 방향의 광 출사 지향성이 그와 직각 방향의 광 출사 지향성보다도 강한 특성을 갖는 렌즈이며,광 출사 지향성이 강한 상기 일 방향은 상기 도광체의 높이 방향으로 설정되고, 광 출사 지향성이 약한 상기 직각 방향은 상기 도광체의 폭 방향으로 설정되며,상기 렌즈는 상기 발광 소자의 광 출사면에 마련되며, 프리즘 형상인 것을 특징으로 하는 액정 장치.
- 한쌍의 기판 사이에 액정을 유지하여 이루어지는 액정 패널과, 해당 액정 패널에 광을 공급하는 조명 장치를 갖는 액정 장치에 있어서,상기 조명 장치는, 광을 방출하는 광원 장치와, 해당 광원 장치로부터의 광을 광 입사면에서 받아 광 출사면으로부터 출사하는 도광체를 갖고,상기 광원 장치는, 발광 소자와, 해당 발광 소자로부터 방출되는 광을 받는 렌즈를 갖고,상기 렌즈는, 일 방향의 광 출사 지향성이 그와 직각 방향의 광 출사 지향성보다도 강한 특성을 갖는 렌즈이며,광 출사 지향성이 강한 상기 일방향은 상기 도광체의 높이 방향으로 설정되고, 광 출사 지향성이 약한 상기 직각 방향은 상기 도광체의 폭 방향으로 설정되며,상기 렌즈는 상기 발광 소자의 광 출사면에 마련되고, 표면이 프레넬 렌즈인 부분 원주 형상인 것을 특징으로 하는 액정 장치.
- 삭제
- 제 8 항에 있어서,광을 집광하는 렌즈를 상기 도광체의 광 입사면에 마련한 것을 특징으로 하는 액정 장치.
- 액정 장치와, 상기 액정 장치의 동작을 제어하는 제어 회로를 갖는 전자기기에 있어서,상기 액정 장치는 청구항 8, 청구항 9 및 청구항 11 중 어느 한 항에 기재된 액정 장치에 의해서 구성되는 것을 특징으로 하는 전자기기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000212658A JP2002025326A (ja) | 2000-07-13 | 2000-07-13 | 光源装置、照明装置、液晶装置及び電子機器 |
JPJP-P-2000-00212658 | 2000-07-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020006603A KR20020006603A (ko) | 2002-01-23 |
KR100440524B1 true KR100440524B1 (ko) | 2004-07-19 |
Family
ID=18708546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0041904A KR100440524B1 (ko) | 2000-07-13 | 2001-07-12 | 조명 장치, 액정 장치 및 전자기기 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6883934B2 (ko) |
EP (1) | EP1172683A3 (ko) |
JP (1) | JP2002025326A (ko) |
KR (1) | KR100440524B1 (ko) |
CN (1) | CN1177248C (ko) |
TW (1) | TWI243944B (ko) |
Cited By (4)
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US7314302B2 (en) | 2005-01-03 | 2008-01-01 | Samsung Electronics Co., Ltd. | Backlight assembly removing dark areas and display device provided with the same |
US7572036B2 (en) | 2004-10-18 | 2009-08-11 | Samsung Electronics Co., Ltd. | Light emitting diode and lens for the same |
US7580198B2 (en) | 2005-03-08 | 2009-08-25 | Samsung Electronics Co., Ltd. | Lens for light emitting diode, back light assembly having the same, and liquid crystal display having the assembly |
KR101119193B1 (ko) | 2004-12-30 | 2012-03-22 | 삼성전자주식회사 | 광원 유닛 및 이를 갖는 액정 표시 장치 |
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Also Published As
Publication number | Publication date |
---|---|
JP2002025326A (ja) | 2002-01-25 |
TWI243944B (en) | 2005-11-21 |
US6883934B2 (en) | 2005-04-26 |
CN1177248C (zh) | 2004-11-24 |
EP1172683A3 (en) | 2003-08-13 |
CN1333478A (zh) | 2002-01-30 |
US20020048163A1 (en) | 2002-04-25 |
EP1172683A2 (en) | 2002-01-16 |
KR20020006603A (ko) | 2002-01-23 |
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